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September Normals for Walnut, IA

< August October > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 56 79 68 0.14 2 4 2 56 79 67 0.15 2 4 3 55 78 67 0.15 2 4 4 55 78 67 0.15 2 4 5 55 78 66 0.15 2 4 6 54 78 66 0.15 2 3 7 54 77 66 0.15 3 3 8 54 77 65 0.15 3 3 9 53 77 65 0.15 3 3 10 53 77 65 0.16 3 3 11 52 76 64 0.16 3 3 12 52 76 64 0.16 3 2 13 52 76 64 0.16 4 2 14 51 75 63 0.16 4 2 15 51 75 63 0.16 4 2 16 50 75 63 0.16 4 2 17 50 74 62 0.15 5 2 18 50 74 62 0.15 5 2 19 49 74 62 0.15 5 1 20 49 73 61 0.15 5 1 21 48 73 61 0.15 5 1 22 48 73 60 0.15 6 1 23 48 72 60 0.15 6 1 24 47 72 60 0.14 6 1 25 47 72 59 0.14 7 1 26 47 71 59 0.14 7 1 27 46 71 59 0.14 7 1 28 46 71 58 0.13 7 1 29 45 70 58 0.13 8 1 30 45 70 57 0.13 8 0 Month 51 75 63 4.46 133 63 Data Controls Monthly: January February March April May June July August September October November December   | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather